Share Chemistry Chapter 8 Review
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Covalent bonds form when atoms ________ electrons.
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A triple covalent bond shares how many total electrons?
6
Which of the following atoms would most likely form a diatomic molecule?
oxygen
hydrogen
all of these
nitrogen
__________ bonds form between single bonds.
beta
sigma
alpha
pi
Which of the following elements has 4 valence electrons?
Boron
Sulfur
Carbon
Nitrogen
Molecular compounds are generally composed of what kinds of atoms?
non-metals
How many pairs of electrons are shared in a double covalent bond?
2 pairs
Which of the following elements has the greatest electronegativity?
Bromine
Chlorine
Fluorine
Iodine
The VSEPR model is mainly used to __________________________________.
write resonance structures
measure intermolecular forces
determine ionic charge
determine molecular shape
Unequal sharing of electrons between two bonded atoms ALWAYS indicates __________________.
an ionic bond
a nonpolar covalent bond
a polar covalent bond
a polar ionic bond
Water is an example of a ___________ molecule
---
polar
ionic
non-polar
How many pi bonds are there in a triple bond?
2
1
3
Intermolecular attractions are _________ than either ionic or covalent bonds.
weaker
stronger
both weaker and stronger
none of these
In a coordinate covalent bond, ________________________________.
none of the above
electrons are shared unequally
one atom contributes both electrons to a coordinate covalent
electrons are shared equally
________________ occur when polar molecules are attracted to one another.
ionic compounds
Dipole interactions
hydrogen bonds
none of the above
Special properties of water, such as adhesion, cohesion, and surface tension can be attributed to which intermolecular force?
Van de waals forces
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Hydrogen bonds
london dispersion forces
